diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_vs.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.h b/src/gallium/drivers/r300/r300_vs.h new file mode 100644 index 0000000000..165d717812 --- /dev/null +++ b/src/gallium/drivers/r300/r300_vs.h @@ -0,0 +1,157 @@ +/* + * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef R300_VS_H +#define R300_VS_H + +#include "tgsi/tgsi_parse.h" +#include "tgsi/tgsi_dump.h" + +#include "r300_context.h" +#include "r300_debug.h" +#include "r300_reg.h" +#include "r300_screen.h" +#include "r300_shader_inlines.h" + +/* XXX get these to r300_reg */ +#define R300_PVS_DST_OPCODE(x) ((x) << 0) +# define R300_VE_DOT_PRODUCT 1 +# define R300_VE_MULTIPLY 2 +# define R300_VE_ADD 3 +# define R300_VE_MAXIMUM 7 +# define R300_VE_SET_LESS_THAN 10 +#define R300_PVS_DST_MATH_INST (1 << 6) +# define R300_ME_RECIP_DX 6 +#define R300_PVS_DST_MACRO_INST (1 << 7) +# define R300_PVS_MACRO_OP_2CLK_MADD 0 +#define R300_PVS_DST_REG_TYPE(x) ((x) << 8) +# define R300_PVS_DST_REG_TEMPORARY 0 +# define R300_PVS_DST_REG_A0 1 +# define R300_PVS_DST_REG_OUT 2 +# define R300_PVS_DST_REG_OUT_REPL_X 3 +# define R300_PVS_DST_REG_ALT_TEMPORARY 4 +# define R300_PVS_DST_REG_INPUT 5 +#define R300_PVS_DST_OFFSET(x) ((x) << 13) +#define R300_PVS_DST_WE(x) ((x) << 20) +#define R300_PVS_DST_WE_XYZW (0xf << 20) + +#define R300_PVS_SRC_REG_TYPE(x) ((x) << 0) +# define R300_PVS_SRC_REG_TEMPORARY 0 +# define R300_PVS_SRC_REG_INPUT 1 +# define R300_PVS_SRC_REG_CONSTANT 2 +# define R300_PVS_SRC_REG_ALT_TEMPORARY 3 +#define R300_PVS_SRC_OFFSET(x) ((x) << 5) +#define R300_PVS_SRC_SWIZZLE(x) ((x) << 13) +# define R300_PVS_SRC_SELECT_X 0 +# define R300_PVS_SRC_SELECT_Y 1 +# define R300_PVS_SRC_SELECT_Z 2 +# define R300_PVS_SRC_SELECT_W 3 +# define R300_PVS_SRC_SELECT_FORCE_0 4 +# define R300_PVS_SRC_SELECT_FORCE_1 5 +# define R300_PVS_SRC_SWIZZLE_XYZW \ + ((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \ + (R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13) +# define R300_PVS_SRC_SWIZZLE_ZERO \ + ((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \ + (R300_PVS_SRC_SELECT_FORCE_0 << 6) | \ + (R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13) +# define R300_PVS_SRC_SWIZZLE_ONE \ + ((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \ + (R300_PVS_SRC_SELECT_FORCE_1 << 6) | \ + (R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13) +#define R300_PVS_MODIFIER_X (1 << 25) +#define R300_PVS_MODIFIER_Y (1 << 26) +#define R300_PVS_MODIFIER_Z (1 << 27) +#define R300_PVS_MODIFIER_W (1 << 28) +#define R300_PVS_NEGATE_XYZW \ + (R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \ + R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W) + +/* Temporary struct used to hold assembly state while putting together + * fragment programs. */ +struct r300_vs_asm { + /* Pipe context. */ + struct r300_context* r300; + /* Number of colors. */ + unsigned color_count; + /* Number of texcoords. */ + unsigned tex_count; + /* Number of requested temporary registers. */ + unsigned temp_count; + /* Offset for immediate constants. Neither R300 nor R500 can do four + * inline constants per source, so instead we copy immediates into the + * constant buffer. */ + unsigned imm_offset; + /* Number of immediate constants. */ + unsigned imm_count; + /* Number of colors to write. */ + unsigned out_colors; + /* Number of texcoords to write. */ + unsigned out_texcoords; + /* Whether to emit point size. */ + boolean point_size; + /* Tab of declared outputs to OVM outputs. */ + unsigned tab[16]; +}; + +static struct r300_vertex_shader r300_passthrough_vertex_shader = { + /* XXX translate these back into normal instructions */ + .instruction_count = 2, + .instructions[0].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW, + .instructions[0].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW, + .instructions[0].inst2 = R300_PVS_SRC_SWIZZLE_ZERO, + .instructions[0].inst3 = 0x0, + .instructions[1].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW, + .instructions[1].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW, + .instructions[1].inst2 = R300_PVS_SRC_SWIZZLE_ZERO, + .instructions[1].inst3 = 0x0, +}; + +static struct r300_vertex_shader r300_texture_vertex_shader = { + /* XXX translate these back into normal instructions */ + .instruction_count = 2, + .instructions[0].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW, + .instructions[0].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW, + .instructions[0].inst2 = R300_PVS_SRC_SWIZZLE_ZERO, + .instructions[0].inst3 = 0x0, + .instructions[1].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) | + R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) | + R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW, + .instructions[1].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) | + R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW, + .instructions[1].inst2 = R300_PVS_SRC_SWIZZLE_ZERO, + .instructions[1].inst3 = 0x0, +}; + +void r300_translate_vertex_shader(struct r300_context* r300, + struct r300_vertex_shader* vs); + +#endif /* R300_VS_H */ |